Michael O'Neill

Works
Actor (77), Co-Producer (1),
Birthday
1947-05-29

Michael O'Neill - , Co-Producer known for his work in such projects: «Transformers» (2007), «Traffic» (2000), «Lorenzo's Oil» (1992), «Seabiscuit» (2003), «The Legend of Bagger Vance» (2000),

​From Wikipedia, the free encyclopedia.

Michael O'Neill (born May 29, 1951) is an American actor. With a career stretching through three decades, he usually portrays senior law enforcement or military officers. He is perhaps best known for his role as Special agent Ron Butterfield, the head of President Josiah Bartlet's Secret Service detail, on The West Wing. He played CTU Administrative Director Richard Walsh in the first two episodes of 24. He played Sgt. Maj. Ron Cheals in the CBS action-drama series The Unit. He starred in the Season Six 2 part Finale of Grey's Anatomy as the broken widower who holds the hospital hostage with a 9mm while pursuing the doctors responsible for unplugging his wife. His most notable film performances occur in Seabiscuit, Secondhand Lions, Transformers, Dancer, Texas Pop 81, Traffic, Sea of Love, A Quiet Little Marriage, Nothing But the Truth, and Green Zone. O'Neill graduated from Auburn University in 1974. After attending Auburn he spent time under the tutelage of actor Will Geer and his daughter, Ellen, at Theatricum Botanicum in Los Angeles before moving to New York to pursue his career there.

The most significant works of Michael O'Neill

War of the Worlds poster
Secretary of Defense Walter Crystal
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Bride Hard poster
Bride Hard 2025
Frank
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Happy Face poster
Happy Face 2025
D.A. Craig Calloway
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Happy's Place poster
Jim Jackoway
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Tracker poster
Tracker 2024
Buck Avery
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Air poster
Air 2023
Joe Dean
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Fire Country poster
Harlan Denbo
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Echoes poster
Echoes 2022
Victor McCleary
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Outer Range poster
Judge Pettigrew
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Messiah poster
Messiah 2020
Cameron Collier
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Full filmography Michael O'Neill
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